NAVYPEDIA

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate	Modification
长城 403 新中國 [Changcheng 403 Xin Zhongguo] (ex-С-52 [S-52])	403		189 Yd (Ordzhonikidze Yd), Leningrad // 202 Yd (Dalzavod Yd), Vladivostok, USSR	4.1937	30.8.1940	6.1943 // 8.1954	deleted late 1970s	"IX-bis"
长城 404 防禦 [Changcheng 404 Fangyu] (ex-S-53)	404		189 Yd (Ordzhonikidze Yd), Leningrad // 202 Yd (Dalzavod Yd), Vladivostok, USSR	9.1938	30.10.1941	1.1943 // 8.1954	deleted 1983	"IX-bis"
长城 401 [Changcheng 401] (ex-S-24)	401		112 Yd (Krasnoye Sormovo Yd), Gorkiy, USSR	6.1940	2.5.1941	12.1947 // 6.1955	deleted early 1970s	"IX-bis-2"
长城 402 [Changcheng 402] (ex-S-25)	402		112 Yd (Krasnoye Sormovo Yd), Gorkiy, USSR	6.1940	2.5.1941	3.1948 // 6.1955	deleted late 1970s	"IX-bis-2"

Technical data

Displacement standard, t
Displacement normal, t	401, 402: 844 / 1077 403, 404: 856 / 1090
Length, m	77.7
Breadth, m	6.40
Draught, m	401, 402: 3.98 403, 404: 4.04
No of shafts	2
Machinery	2 1D diesels / 2 P72/35 electric motors
Power, h. p.	4000 / 1100
Max speed, kts	401, 402: 19.4 / 9.5 403, 404: 18.9 / 8.6
Fuel, t	diesel oil 110
Endurance, nm(kts)	7500(8.4) / 132(2.4)
Armament	1 x 1 - 100/51 B-24, 1 x 1 - 12.7/79, 6 - 533 TT (4 bow, 2 stern, 12)
Electronic equipment	Tamir-5L sonar, Mars-24K hydrophone
Complement	46
Diving depth operational, m	80

Standard scale images

Project history

Former Soviet medium submarines of IX-bis and IX-bis-2 series.

Modernizations

None.

Naval service

No significant events.

© Ivan Gogin, 2015